For cutting jobs that require superior sharpness, choose these OLFA® UltraSharp blades. These carbon tool steel blades are double-honed for extreme sharpness. Use these blades for construction materials including drywall, linoleum, carpet, flooring, insulation, and roofing materials.

• 8-segment 18mm snap-off blade
• Made from high-quality carbon tool steel
• Ultra-Sharp black blade has a 25% sharper edge for less cutting resistance
• Exact 59 degree edge angle optimizes cutting power and minimizes blade breakage
• Fits OLFA PRO 18mm utility knives